In the first three lines, the reader understands the speaker to be describing body parts which are mainly help a person to live, breathe and cells in your blood which are circulating in your body . At the fourth line, this understanding is shaken. The question raised that “Are the in the right amounts” means are your main body parts working fine in a proper manner because they are your major body parts which need to be perfect all the time. In the fifth line writer move to other body parts like mouth, nose and ears ,these parts all are ...